20165150

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13907}}^1$

素因数の和:13948

約数の個数: 24

約数和(自身を含む): 38803320

約数和(自身を除く): 18638170

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 13907, 27814, 69535, 139070, 347675, 403303, 695350, 806606, 2016515, 4033030, 10082575, 20165150]

約数ペア:

[(1, 20165150), (2, 10082575), (5, 4033030), (10, 2016515), (25, 806606), (29, 695350), (50, 403303), (58, 347675), (145, 139070), (290, 69535), (725, 27814), (1450, 13907)]